CVE-2018-13389: atlassian confluence Improper Input Validation
Vulnerability summary
CVE-2018-13389 is a medium (CVSS 4.7) Improper Input Validation vulnerability in atlassian confluence. EPSS estimates a 1.00% chance of exploitation in the next 30 days, higher than 62.7% of scored vulnerabilities.
Not severe (CVSS 4.7, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 10-07-2018PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
The attachment resource in Atlassian Confluence before version 6.6.1 allows remote attackers to spoof web content in the Mozilla Firefox Browser through attachments that have a content-type of application/rdf+xml.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.00%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.00% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Atlassian1 product
- confluence≥ unspecified, < 6.6.1 | < 6.6.1
1 vendor · 1 product